yield_from        502 Zend/zend_generators.c 				zend_op *yield_from = (zend_op *) root->execute_data->opline - 1;
yield_from        504 Zend/zend_generators.c 				if (yield_from->opcode == ZEND_YIELD_FROM) {
yield_from        523 Zend/zend_generators.c 						ZVAL_COPY(ZEND_CALL_VAR(root->execute_data, yield_from->result.var), &root->node.parent->retval);